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82 lines
2.8 KiB
82 lines
2.8 KiB
4 months ago
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/**
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* Copyright (c) 2019, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SHARED_H
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#define SHARED_H
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#if defined(__NIX)
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// TODO these sections not supported?
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//static __so_func *__autostart[] __attribute__((section (".CRT$XIU"))) = { (__so_func*)__so_ctor };
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//static __so_func *__autoexit[] __attribute__((section (".CRT$XPU"))) = { (__so_func*)__so_dtor };
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#define SHARED_OBJECT_API_ENTRY(ctor, dtor)
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#elif defined(_WIN32)
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#include <windows.h>
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typedef int __so_cb(void);
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static __so_cb *__so_get_ctor();
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static __so_cb *__so_get_dtor();
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typedef void __so_func(void);
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static void __so_ctor() {
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(void)(__so_get_ctor())();
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}
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static void __so_dtor() {
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(void)(__so_get_dtor())();
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}
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#pragma data_seg(".CRT$XIU")
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static __so_func *__autostart[] = { (__so_func*)__so_ctor };
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#pragma data_seg(".CRT$XPU")
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static __so_func *__autoexit[] = { (__so_func*)__so_dtor };
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#pragma data_seg()
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#define SHARED_OBJECT_API_ENTRY(ctor, dtor)\
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static __so_cb *__so_get_ctor() { return (__so_cb*)ctor; }\
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static __so_cb *__so_get_dtor() { return (__so_cb*)dtor; }
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#else //better be gcc
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#define SHARED_OBJECT_API_ENTRY(ctor, dtor)\
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__attribute__((constructor)) \
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static void __ctor__##ctor(void) {\
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(void)ctor();\
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}\
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\
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__attribute__((destructor))\
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static void __dtor__##dtor(void) {\
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(void)dtor();\
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}
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#endif //ifdef _WIN32
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#endif // SHARED_H
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